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https://www.readbyqxmd.com/read/28340499/pagan-symbols-associated-with-the-female-anatomy-in-the-medici-chapel-by-michelangelo-buonarroti
#1
Deivis de Campos, Andrea Oxley da Rocha, Rodrigo de Oliveira Lemos, Tais Malysz, João Antonio Bonatto-Costa, Geraldo Pereira Jotz, Lino Pinto de Oliveira Junior, Miriam da Costa Oliveira
Numerous studies have shown that many works of art from the Renaissance period contain hidden symbols and codes that could have religious, mathematical and/or pagan significance and even anatomical allusions. In this context, the present manuscript offers new evidence that the great genius of anatomy, Michelangelo Buonarroti (1475-1564), included pagan symbols associated with female anatomy in the funerary monuments found in the Sagrestia Nuova/Medici Chapel (1519-1533) in Florence, Italy. The interpretation of the symbols provided in this study will interest those with a passion for the history of anatomy...
March 24, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28340457/dermal-exposure-of-applicators-to-chlorpyrifos-on-rice-farms-in-ghana
#2
Albert Atabila, Dung Tri Phung, Jonathan N Hogarh, Paul Osei-Fosu, Ross Sadler, Des Connell, Cordia Chu
Studies evaluating dermal exposure to pesticides among applicators in tropical countries have largely been conducted using the patch dosimetry and hand wiping/washing techniques. This study used the more accurate whole-body dosimetry technique to evaluate dermal exposure to chlorpyrifos among applicators on rice farms in Ghana. The exposure levels were plotted as Cumulative Probability Distribution (CPD). Total Dermal Exposure (TDE) of chlorpyrifos among the median exposed and the 5% highly exposed groups during a spray event were 24 mg and 48 mg, respectively...
March 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28340373/influence-of-sex-on-cardiovascular-drug-responses-role-of-estrogen
#3
REVIEW
Abdel A Abdel-Rahman
In this review we discuss the sex/estrogen-specific modulation of cardiovascular function and responses to current therapeutics. We discuss how anatomical differences such as a smaller kidney size, and lower glomerular filtration rate in females, reduce the clearance and increase the toxicity of some drugs in females. Other important sex differences include the dampening effect of estrogen on central sympathetic and renin angiotensin systems. Further, we discuss how a shift in myocardial redox status leads to paradoxical transformation of estrogen into a pro-inflammatory hormone...
March 21, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28340232/a-proposed-set-of-metrics-to-reduce-patient-safety-risk-from-within-the-anatomic-pathology-laboratory
#4
Peter Banks, Richard Brown, Alex Laslowski, Yvonne Daniels, Phil Branton, John Carpenter, Richard Zarbo, Ramses Forsyth, Yan-Hui Liu, Shane Kohl, Joachim Diebold, Shinobu Masuda, Tim Plummer, Eslie Dennis
Background: Anatomic pathology laboratory workflow consists of 3 major specimen handling processes. Among the workflow are preanalytic, analytic, and postanalytic phases that contain multistep subprocesses with great impact on patient care. A worldwide representation of experts came together to create a system of metrics, as a basis for laboratories worldwide, to help them evaluate and improve specimen handling to reduce patient safety risk. Method: Members of the Initiative for Anatomic Pathology Laboratory Patient Safety (IAPLPS) pooled their extensive expertise to generate a list of metrics highlighting processes with high and low risk for adverse patient outcomes...
March 18, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28340222/success-in-implementation-of-a-resident-in-service-examination-review-series
#5
Jessica A Forcucci, J Madison Hyer, Evelyn T Bruner, David N Lewin, Nicholas I Batalis
Objectives: Primary pathology board certification has been correlated with senior resident in-service examination (RISE) performance. We describe our success with an annual, month-long review series. Methods: Aggregate program RISE performance data were gathered for 3 years prior to and 3 years following initiation of the review series. In addition, mean United States Medical Licensing Examination Step 1 and 2 Clinical Knowledge scores for residents participating in each RISE examination were obtained to control for incoming knowledge and test-taking ability...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340177/the-significance-of-internode-length-for-saltatory-conduction-looking-back-at-the-age-of-90
#6
Reinhard L Friede
The development of peripheral nerve fibers involves interdependence between the timing of Schwann cell recruitment during myelination and elongation of the nerve. This adjusts the number and the length of internodes to the length of the fiber. Saltatory conduction in longer nerves involves longer saltations; this makes internode length the factor that determines conduction velocity, thereby adjusting impulse transmission in circuits of different lengths. Myelination increases conduction velocity by means of saltatory conduction but what determines the saltatory conduction is not so much the indispensable insulating adjunct of myelin as the length of the internodes that separate the excitable membrane segments...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28340174/application-of-virtual-navigation-with-multimodality-image-fusion-in-foramen-ovale-cannulation
#7
Xixiong Qiu, Weizong Liu, Mingdong Zhang, Hengzhou Lin, Shoujun Zhou, Yi Lei, Jun Xia
Objective. : Idiopathic trigeminal neuralgia (ITN) can be effectively treated with radiofrequency thermocoagulation. However, this procedure requires cannulation of the foramen ovale, and conventional cannulation methods are associated with high failure rates. Multimodality imaging can improve the accuracy of cannulation because each imaging method can compensate for the drawbacks of the other. We aim to determine the feasibility and accuracy of percutaneous foramen ovale cannulation under the guidance of virtual navigation with multimodality image fusion in a self-designed anatomical model of human cadaveric heads...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28340078/image-integration-into-3-dimensional-electro-anatomical-mapping-system-facilitates-safe-ablation-of-ventricular-arrhythmias-originating-from-the-aortic-root-and-its-vicinity
#8
Mario Jularic, Ruken Özge Akbulak, Benjamin Schäffer, Julia Moser, Jana Nuehrich, Christian Meyer, Christian Eickholt, Stephan Willems, Boris A Hoffmann
Aims: During ablation in the vicinity of the coronary arteries establishing a safe distance from the catheter tip to the relevant vessels is mandatory and usually assessed by fluoroscopy alone. The aim of the study was to investigate the feasibility of an image integration module (IIM) for continuous monitoring of the distance of the ablation catheter tip to the main coronary arteries during ablation of ventricular arrhythmias (VA) originating in the sinus of valsalva (SOV) and the left ventricular summit part of which can be reached via the great cardiac vein (GCV)...
March 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339545/left-atrial-anatomy-atrial-fibrillation-burden-and-p-wave-duration-relationships-and-predictors-for-single-procedure-success-after-pulmonary-vein-isolation
#9
Sven Knecht, Maurice Pradella, Tobias Reichlin, Aline Mühl, Matthias Bossard, Bram Stieltjes, David Conen, Jens Bremerich, Stefan Osswald, Michael Kühne, Christian Sticherling
Aims: Atrial fibrillation (AF) is associated with changes in left atrial (LA) volume, but the relationship between LA size, AF burden, and electrical conduction behaviour is still uncertain. The aim of this study was to quantify the association and impact of these parameters on the single-procedure outcome after circumferential antral ablation for pulmonary vein isolation. Methods and results: Left atrial assessment was performed in 129 consecutive patients using pre-procedural imaging in three dimensions (sphericity, indexed volume), two dimensions (diameters), and from echocardiography in one dimension (long axis)...
December 22, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339502/histological-and-anatomical-structure-of-the-nasal-cavity-of-bama-minipigs
#10
Jingjing Yang, Lei Dai, Qinghua Yu, Qian Yang
OBJECTIVE: The nasal mucosa is equipped with abundant lymphatic tissues, serving as the first line of defense against invasion by microorganisms. In this study, we characterized the features of the nasal mucosa of Bama minipigs (Sus scrofa domestica) via histological analysis. METHODS: Five cross sections (I, II, III, IV, and V) were obtained from the distal end of the nasal cavity toward the pharynx (along the cavity axis) and examined. Specifically, CD3+ T cells, immunoglobulin A (IgA)+ cells, and M cells were detected by immunohistochemistry, while dendritic cells (DCs) were detected by immunofluorescence...
2017: PloS One
https://www.readbyqxmd.com/read/28339441/the-role-of-the-ligamentum-flavum-area-as-a-morphological-parameter-of-lumbar-central-spinal-stenosis
#11
Young Uk Kim, Jun Young Park, Doo Hwan Kim, Myung-Hwan Karm, Jae-Young Lee, Jee In Yoo, Sung Won Chon, Jeong Hun Suh
BACKGROUND: Hypertrophy of the ligamentum flavum (LF) has been considered as a major cause of lumbar central spinal stenosis (LCSS). Previous studies have found that ligamentum flavum thickness (LFT) is correlated with aging, disc degeneration, and lumbar spinal stenosis. However, hypertrophy is different from thickness. Thus, to evaluate hypertrophy of the whole LF, we devised a new morphological parameter, called the ligamentum flavum area (LFA). OBJECTIVES: We hypothesized that the LFA is a key morphologic parameter in the diagnosis of LCSS...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339434/platelet-rich-plasma-in-musculoskeletal-pathology-a-necessary-rescue-or-a-lost-cause
#12
Annu Navani, Gang Li, Joshua Chrystal
BACKGROUND: Platelet rich plasma (PRP) has been used for decades to facilitate surgical tissue repair; therefore, the current trend of percutaneously injecting PRP to theoretically enhance tissue regeneration and repair is a logical progression. Applications include treatment of osteoarthritis, tendinopathy, chondropathy, acute and chronic soft tissue injuries, muscle or ligament tear, as well as enhancement of healing after bone or tissue reconstruction. However, there is limited evidence to support the use of PRP in the abovementioned conditions...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339288/the-proximal-tibiofibular-joint-a-biomechanical-analysis-of-the-anterior-and-posterior-ligamentous-complexes
#13
Daniel Cole Marchetti, Gilbert Moatshe, Brian M Phelps, Kimi D Dahl, Marcio Balbinotti Ferrari, Jorge Chahla, Travis Lee Turnbull, Robert F LaPrade
BACKGROUND: Dislocation of the proximal tibiofibular joint is a complex injury that is often overlooked or misdiagnosed. Surgical management is recommended for severe acute or for chronic symptomatic instability of the proximal tibiofibular joint. Although the anterior ligamentous complex has been reported to be stronger than the posterior complex, biomechanical data are lacking. PURPOSE: To determine the ultimate load of the anterior and posterior ligamentous complexes of the proximal tibiofibular joint to determine optimal graft selection...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28335140/study-by-numerical-modeling-of-the-hemodynamic-impact-of-the-anatomical-risk-factors-of-type-b-aortic-dissection
#14
Sabrina Ben Ahmed, Desmond Dillon-Murphy, C Alberto Figueroa
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28335132/anatomical-evolution-of-the-descending-thoracic-aorta-after-endovascular-treatment-of-a-degenerative-aneurysm
#15
Virgile Omnes, Philippe Amabile, Laurence Bal, Mariangela de Masi, Marine Gaudry, Baptiste David, David Bensoussan, Jean-Michel Bartoli, Michel Bartoli, Pierre-Édouard Magnan, Philippe Piquet
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28335125/hybrid-treatment-of-a-symptomatic-aberrant-right-subclavian-artery-arteria-lusoria-radio-anatomical-study-and-clinical-application
#16
Charbel Saba, Nicla Settembre, Fanette Jeannon, Zakariyae Bouziane, Marc Braun, Serguei Malikov
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28335021/mri-visible-perivascular-space-location-is-associated-with-alzheimer-s-disease-independently-of-amyloid-burden
#17
Gargi Banerjee, Hee Jin Kim, Zoe Fox, H Rolf Jäger, Duncan Wilson, Andreas Charidimou, Han Kyu Na, Duk L Na, Sang Won Seo, David J Werring
Perivascular spaces that are visible on magnetic resonance imaging (MRI) are a neuroimaging marker of cerebral small vessel disease. Their location may relate to the type of underlying small vessel pathology: those in the white matter centrum semi-ovale have been associated with cerebral amyloid angiopathy, while those in the basal ganglia have been associated with deep perforating artery arteriolosclerosis. As cerebral amyloid angiopathy is an almost invariable pathological finding in Alzheimer's disease, we hypothesized that MRI-visible perivascular spaces in the centrum semi-ovale would be associated with a clinical diagnosis of Alzheimer's disease, whereas those in the basal ganglia would be associated with subcortical vascular cognitive impairment...
February 17, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334954/the-science-and-politics-of-naming-reforming-anatomical-nomenclature-ca-1886-1955
#18
Tatjana Buklijas
Anatomical nomenclature is medicine's official language. Early in their medical studies, students are expected to memorize not only the bodily geography but also the names for all the structures that, by consensus, constitute the anatomical body. The making and uses of visual maps of the body have received considerable historiographical attention, yet the history of production, communication, and reception of anatomical names-a history as long as the history of anatomy itself-has been studied far less. My essay examines the reforms of anatomical naming between the first modern nomenclature, the 1895 Basel Nomina Anatomica (BNA), and the 1955 Nomina Anatomica Parisiensia (NAP, also known as PNA), which is the basis for current anatomical terminology...
February 11, 2017: Journal of the History of Medicine and Allied Sciences
https://www.readbyqxmd.com/read/28334915/salience-and-default-mode-network-dysregulation-in-chronic-cocaine-users-predict-treatment-outcome
#19
Xiujuan Geng, Yuzheng Hu, Hong Gu, Betty Jo Salmeron, Bryon Adinoff, Elliot A Stein, Yihong Yang
While chronic cocaine use is associated with abnormalities in both brain structure and function within and interactions between regions, previous studies have been limited to interrogating structure and function independently, and the detected neural differences have not been applied to independent samples to assess the clinical relevance of results. We investigated consequences of structural differences on resting-state functional connectivity in cocaine addiction and tested whether resting-state functional connectivity of the identified circuits predict relapse in an independent cohort...
February 20, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334882/decreased-integration-and-information-capacity-in-stroke-measured-by-whole-brain-models-of-resting-state-activity
#20
Mohit H Adhikari, Carl D Hacker, Josh S Siegel, Alessandra Griffa, Patric Hagmann, Gustavo Deco, Maurizio Corbetta
While several studies have shown that focal lesions affect the communication between structurally normal regions of the brain, and that these changes may correlate with behavioural deficits, their impact on brain's information processing capacity is currently unknown. Here we test the hypothesis that focal lesions decrease the brain's information processing capacity, of which changes in functional connectivity may be a measurable correlate. To measure processing capacity, we turned to whole brain computational modelling to estimate the integration and segregation of information in brain networks...
February 20, 2017: Brain: a Journal of Neurology
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